CO2 option traders bet on volatility ahead of EU vote U.N.'s Meth Panel gives green light to high-speed rail Australia unlikely to ban Chinese, Indian CERs: industry body EUAs retreat from six-week high on profit-taking Weekly CER issuance set to soar to over 7 mln Austria to buy 2-4 mln Kyoto units in 2012 INTERVIEW: India, EU try to break logjam over airline carbon tax UK energy secretary quits, to face criminal charge China's govt to punish provinces that miss energy targets Ministry asks NZ govt to curb U.N. offset use in ETS CCAs soar 15 pct as big buyer enters market U.N. inclusion of CCS won’t open floodgates: experts Carbon rally continues as EUAs gain 5 pct EUA-CER spread hits 3.5-yr high despite higher import limit EU won’t curb CER use to tackle low carbon prices: official BlueNext to clear unsourced EUAs to boost liquidity